Reduce Eyestrain mode and Reduce Eyestrain Color Effect, whats the difference?



  • Hello!
    I am having trouble with eyestrain so I download f.lux.
    Now my problem is that I am a bit confused because there is a mode and a color effect and I don't know what I should use, or maybe if I should use both since the screen light/color changes again when using both at the same time.
    I am also awake at night for my timezone due to work at the moment I don't if that matters.



  • The color effect changes to a setting immediately that should help reduce eyestrain for long-term use of the computer (like all day).

    The preset is for what colors f.lux will use for all 3 modes (sunrise, sunset and bedtime).

    You don't have to use these. You can just manually adjust the color temperature if you wish. Those settings are just there more for convenience. You can make the color temperature be whatever you want.


  • f.lux team

    Good catch, maybe we should rename one of them. The "eyestrain" preset (in the main UI) is our best guess of how to match room lighting in most places while still having a circadian effect.

    The color effects menu has things that are "not blackbodies" meaning they simulate things we think are cool that don't have a kelvin value.



  • I honestly have no idea what you just told me xD
    I just ran both options tonight and it worked out pretty okey I guess but I'm still confused


  • f.lux team

    Yeah I will try to say it better.

    The "main" menu (not color effects) is the best thing to try out.

    The "color effects" menu is just sort of "temporary" settings that don't affect the main schedule. You can use it if you like it.



  • The option named "Reduce Eyestrain" as found in the menu where you'll also find "Recommended Colors", "Working Late", "Far from the Equator", etc. is a preset for the color temperatures that f.lux will use during each of the 3 modes. The 3 modes are Daytime, Nighttime, and Bedtime. The color temperatures for this preset are as follows:

    Daytime: 5900K
    Nighttime: 3600K
    Bedtime: 2400K

    Compare that to "Recommended Colors":

    Daytime: 6500K
    Nighttime: 3400K
    Bedtime: 1900K

    To see what color temperatures you'll be getting for each preset, just go into "Adjust all colors at once" after you select the preset. You can also just adjust these colors to whatever you want. As soon as you change any of them, you're automatically switched to the hidden "Custom Colors" option. So, you can't make any changes to any of the presets.

    The option named "Reduce Eyestrain" found in the "Color Effects" menu is just another color effect like all the others found in that menu. Select another color effect to see what happens. So, this is only confusing because the name of this color effect is the same as the preset.

    So what Mike Herf told you is, perhaps one of these 2 "Reduce Eyestrain" settings should have a different name. The "main UI" is the main user interface, where you find all the presets that configure the color temperatures f.lux will use for each of the 3 modes.

    A kelvin value is the "K" value for the color temperature. The higher the Kelvin value, the colder the color temperature is.

    I don't know what "not blackbodies" means either, but what he's trying to say is the Color Effects menu is kinda there for fun. I mean, just take a look at Emerald City. lol

    So', both options have the same name, but they don't do the same thing at all. The Color Effects menu changes the color immediately. The preset menu on the main UI just changes which color temperatures are set up for the 3 different modes.



  • So "Color Effects" are applied on top of the f.lux "modes". They are like filters, or like adjusting the monitor.


  • f.lux team

    I'm updating this in the new 4.48 build:

    "Color Effects" is now "Extra Colors and Effects"
    and
    "Change Color to" is now "Change current color to..."

    Maybe too verbose (still editing), but we'll see.

    You can try https://justgetflux.com/flux-setup4.exe



  • @herf It is better ! "Current" adds some understanding.

    Think about naming these two concepts. "Effects" is good. Add the concept definitions there, nearby.


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